Bump github.com/docker/docker in /tools/release/image-mirror

Bumps [github.com/docker/docker](https://github.com/docker/docker) from 27.1.1+incompatible to 27.2.1+incompatible.
- [Release notes](https://github.com/docker/docker/releases)
- [Commits](moby/moby@v27.1.1...v27.2.1)

---
updated-dependencies:
- dependency-name: github.com/docker/docker
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

tools/release/image-mirror/go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/config v1.27.18
 	github.com/aws/aws-sdk-go-v2/service/ecrpublic v1.23.10
 	github.com/cenkalti/backoff v2.2.1+incompatible
-	github.com/docker/docker v27.1.1+incompatible
+	github.com/docker/docker v27.2.1+incompatible
 	github.com/google/go-containerregistry v0.19.1
 	gopkg.in/yaml.v2 v2.4.0
 )

tools/release/image-mirror/go.sum

@@ -47,8 +47,8 @@ github.com/docker/cli v26.1.4+incompatible h1:I8PHdc0MtxEADqYJZvhBrW9bo8gawKwwen
 github.com/docker/cli v26.1.4+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/distribution v2.8.3+incompatible h1:AtKxIZ36LoNK51+Z6RpzLpddBirtxJnzDrHLEKxTAYk=
 github.com/docker/distribution v2.8.3+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
-github.com/docker/docker v27.1.1+incompatible h1:hO/M4MtV36kzKldqnA37IWhebRA+LnqqcqDja6kVaKY=
-github.com/docker/docker v27.1.1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v27.2.1+incompatible h1:fQdiLfW7VLscyoeYEBz7/J8soYFDZV1u6VW6gJEjNMI=
+github.com/docker/docker v27.2.1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/docker-credential-helpers v0.8.2 h1:bX3YxiGzFP5sOXWc3bTPEXdEaZSeVMrFgOr3T+zrFAo=
 github.com/docker/docker-credential-helpers v0.8.2/go.mod h1:P3ci7E3lwkZg6XiHdRKft1KckHiO9a2rNtyFbZ/ry9M=
 github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c=